.animated.hinge {
    -webkit-animation-duration: 2s;
	   -moz-animation-duration: 2s;
	     -o-animation-duration: 2s;
	        animation-duration: 2s;
}

@-webkit-keyframes flash {
	0%, 20%,50%, 100% {opacity: 1;}	
	25%, 75% {opacity: 0.8;}
}

@-moz-keyframes flash {
	0%, 50%, 100% {opacity: 1;}	
	25%, 75% {opacity: 0;}
}

@-o-keyframes flash {
	0%, 50%, 100% {opacity: 1;}	
	25%, 75% {opacity: 0;}
}

@keyframes flash {
	0%,40%, 80%, 100% {opacity: 1;}	
	25%, 75% {opacity: 0;}
}